Home / 674,484.98-1,012,428.23-451,404.31

Finding the Fourth Proportional to 674,484.98, 1,012,428.23 and 451,404.31

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Solution

The fourth proportional to 674,484.98, 1,012,428.23 and 451,404.31 is: 677,575.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,484.98 : 1,012,428.23 = 451,404.31 : x
  2. Step 2: Convert to fraction form
    674,484.98/1,012,428.23 = 451,404.31/x
  3. Step 3: Cross multiply
    674,484.98x = 1,012,428.23 × 451,404.31
  4. Step 4: Simplify right side
    674,484.98x = 457,014,466,587.67
  5. Step 5: Solve for x
    x = 457,014,466,587.67/674,484.98
  6. Step 6: Final answer
    x = 677,575.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.